Introdução as Funções
Quiz
•
Mathematics
•
10th Grade
•
Practice Problem
•
Medium
ANDRE APARECIDO FRANCO
Used 4+ times
FREE Resource
Enhance your content in a minute
21 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual o coeficiente linear nessa função:
-3
0
2
5
4
2.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Quais gráficos representam funções crescentes?
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A partir dos valores a seguir, determine a lei da função de 1° grau.
f(x) = 3x – 2.
f(x) = 2x – 1.
f(x) = -x + 1.
f(x) = 2x + 1.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Em um táxi, cobra-se R$ 4,00 pela bandeirada e mais R$ 2,50 por km rodado. Qual função representa este problema?
f(x) = 4 + 2.50x
f(x) = 4 * 2.50x
f(x) = 4 - 2.50x
f(x) = 4 + 2.50x + 1
5.
DROPDOWN QUESTION
1 min • 1 pt
Um tanque possui 20.000 litros e está completamente cheio quando começa a ser esvaziado a uma vazão de 500 litros por minuto.
A) Quantos minutos levará para o tanque esvaziar completamente? (a)
Qual será o volume de água no tanque após 15 minutos de esvaziamento? (b)
Se a vazão de esvaziamento fosse reduzida para 400 litros por minuto, quanto tempo adicional seria necessário para esvaziar o tanque completamente? (c)
6.
CLASSIFICATION QUESTION
3 mins • 1 pt
Considere as seguintes funções definidas para x ∈ R:
Classifique cada função como crescente, decrescente ou constante.
Groups:
(a) Crescente
,
(b) Decrescente
,
(c) Constante
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Um professor de Química lançou um desafio para os seus estudantes. Eles receberam 25 equações para balancear e a cada acerto, o estudante ganhava 4 pontos; e, a cada erro, perdia 1 ponto. Um estudante desse curso, ao terminar de balancear as 25 equações, obteve um total de 60 pontos. Assim esse estudante acertou?
8 questões
10 questões
15 questões
17 questões
19 questões
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